2331313247 has 2 divisors, whose sum is σ = 2331313248. Its totient is φ = 2331313246.

The previous prime is 2331313183. The next prime is 2331313249. The reversal of 2331313247 is 7423131332.

2331313247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2331313247 - 2⁶ = 2331313183 is a prime.

Together with 2331313249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2331313249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165656623 + 1165656624.

It is an arithmetic number, because the mean of its divisors is an integer number (1165656624).

Almost surely, 2^2331313247 is an apocalyptic number.

2331313247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331313247 is an equidigital number, since it uses as much as digits as its factorization.

2331313247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 29.

The square root of 2331313247 is about 48283.6747462328. The cubic root of 2331313247 is about 1325.9695283536.

Adding to 2331313247 its reverse (7423131332), we get a palindrome (9754444579).

The spelling of 2331313247 in words is "two billion, three hundred thirty-one million, three hundred thirteen thousand, two hundred forty-seven".